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-rw-r--r--test/Transforms/InstCombine/xor.ll6
1 files changed, 6 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/xor.ll b/test/Transforms/InstCombine/xor.ll
index 6082e0c9a1..0e6550c233 100644
--- a/test/Transforms/InstCombine/xor.ll
+++ b/test/Transforms/InstCombine/xor.ll
@@ -98,3 +98,9 @@ bool %test14(ubyte %A, ubyte %B) {
%E = xor bool %C, %D ; E = true
ret bool %E
}
+
+uint %test15(uint %A) { ; ~(X-1) == -X
+ %B = add uint %A, 4294967295
+ %C = xor uint %B, 4294967295
+ ret uint %C
+}